(19)
(11) EP 1 501 858 A2

(12)

(88) Date of publication A3:
08.04.2004

(43) Date of publication:
02.02.2005 Bulletin 2005/05

(21) Application number: 03720460.9

(22) Date of filing: 14.04.2003
(51) International Patent Classification (IPC)7C07J 53/00
(86) International application number:
PCT/EP2003/003831
(87) International publication number:
WO 2003/092578 (13.11.2003 Gazette 2003/46)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 29.04.2002 EP 02009663

(71) Applicant: Boehringer Ingelheim International GmbH
55216 Ingelheim (DE)

(72) Inventors:
  • MANOSROI, Aranya
    Nong Hoi, Muang,Chiang Mai 50000 (TH)
  • MANOSROI, Jiradej
    Nong Hoi,Muang,Chiang Mai 5000 (TH)
  • BUDDHASUKH, Duang
    Amphur Muang,Chiang Mai 50200 (TH)
  • SRIPALAKIT, Pattana
    Amphur Muang,Uttaradit 53000 (TH)
  • MAIER, Roland
    88400 Biberach an der Riss 1 (DE)
  • WERNER, Rolf
    88400 Biberach an der Riss 1 (DE)

(74) Representative: Mahlbacher, Volker et al
Boehringer Ingelheim GmbH,CD Patents
55216 Ingelheim
55216 Ingelheim (DE)

   


(54) FURTHER SYNTHESES OF CYPROTERONE ACETATE